“浇口”用英语怎么说？

采用矩形侧浇口、齿轮齿条脱螺纹机构.Rectangle - shape side gate and the gear - rack taking off thread mechanism were used.介绍了注塑模中一种象“香蕉”形状的曲线型潜伏式浇口的结构形式.The structure of a banana - shaped submarine gate in injection mold is introduced.浇口厚...